Shape memory alloy (SMA) actuators for focus compensation in XR displays and cameras (Conference Presentation)

Joshua Carr

doi:10.1117/12.2649084

16 March 2023 Shape memory alloy (SMA) actuators for focus compensation in XR displays and cameras (Conference Presentation)

Joshua Carr

Author Affiliations +

Proceedings Volume 12449, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) IV; 124490E (2023) https://doi.org/10.1117/12.2649084
Event: SPIE AR | VR | MR, 2023, San Francisco, California, United States

Abstract

Many optical systems such as cameras and XR displays suffer a loss of performance when ambient temperature changes due to distortion of optics. A focusing actuator can compensate for distortion and therefore maintain system performance. Existing actuators require always-on power consumption, which is undesirable. Here we will present a novel SMA actuator which utilizes the unique characteristics of SMA to provide temperature compensation without compromising power consumption.

Conference Presentation

Citation Download Citation

Joshua Carr "Shape memory alloy (SMA) actuators for focus compensation in XR displays and cameras (Conference Presentation)", Proc. SPIE 12449, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) IV, 124490E (16 March 2023); https://doi.org/10.1117/12.2649084

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